DE2703157C3 - Verfahren zum Entfernen von Stickstoffoxiden und Schwefeloxiden aus Verbrennungsabgasen - Google Patents
Verfahren zum Entfernen von Stickstoffoxiden und Schwefeloxiden aus VerbrennungsabgasenInfo
- Publication number
- DE2703157C3 DE2703157C3 DE2703157A DE2703157A DE2703157C3 DE 2703157 C3 DE2703157 C3 DE 2703157C3 DE 2703157 A DE2703157 A DE 2703157A DE 2703157 A DE2703157 A DE 2703157A DE 2703157 C3 DE2703157 C3 DE 2703157C3
- Authority
- DE
- Germany
- Prior art keywords
- calcium
- absorption
- solution
- separated
- iron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 128
- 238000000034 method Methods 0.000 title claims description 35
- 239000007789 gas Substances 0.000 title claims description 33
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 title claims description 18
- 229910052815 sulfur oxide Inorganic materials 0.000 title claims description 18
- 230000008569 process Effects 0.000 title claims description 16
- 238000002485 combustion reaction Methods 0.000 title claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 53
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 28
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 19
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 19
- 235000011132 calcium sulphate Nutrition 0.000 claims description 18
- 235000010261 calcium sulphite Nutrition 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 17
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 9
- 239000013522 chelant Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 230000007062 hydrolysis Effects 0.000 claims description 7
- 238000006460 hydrolysis reaction Methods 0.000 claims description 7
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 7
- 239000001166 ammonium sulphate Substances 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 229940043430 calcium compound Drugs 0.000 claims description 5
- 150000001674 calcium compounds Chemical class 0.000 claims description 5
- 239000002738 chelating agent Substances 0.000 claims description 5
- 235000014413 iron hydroxide Nutrition 0.000 claims description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 5
- 239000001175 calcium sulphate Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 34
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 34
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 16
- 229910052742 iron Inorganic materials 0.000 description 15
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 12
- 239000002002 slurry Substances 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 10
- 229910017464 nitrogen compound Inorganic materials 0.000 description 9
- 150000002830 nitrogen compounds Chemical class 0.000 description 9
- 235000019738 Limestone Nutrition 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000002250 absorbent Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- -1 iron carboxylic acids Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- JVXHQHGWBAHSSF-UHFFFAOYSA-L 2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;hydron;iron(2+) Chemical compound [H+].[H+].[Fe+2].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O JVXHQHGWBAHSSF-UHFFFAOYSA-L 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- WWILHZQYNPQALT-UHFFFAOYSA-N 2-methyl-2-morpholin-4-ylpropanal Chemical compound O=CC(C)(C)N1CCOCC1 WWILHZQYNPQALT-UHFFFAOYSA-N 0.000 description 1
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000282898 Sus scrofa Species 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- WTHXTWHYLIZJBH-UHFFFAOYSA-N acetic acid;azane Chemical compound N.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O WTHXTWHYLIZJBH-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000004295 calcium sulphite Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP665976A JPS5290475A (en) | 1976-01-26 | 1976-01-26 | Treatment of nitrogen oxides and sulfur oxides in exhaust gases |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2703157A1 DE2703157A1 (de) | 1977-07-28 |
| DE2703157B2 DE2703157B2 (de) | 1980-04-30 |
| DE2703157C3 true DE2703157C3 (de) | 1981-01-08 |
Family
ID=11644493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2703157A Expired DE2703157C3 (de) | 1976-01-26 | 1977-01-26 | Verfahren zum Entfernen von Stickstoffoxiden und Schwefeloxiden aus Verbrennungsabgasen |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5290475A (show.php) |
| DE (1) | DE2703157C3 (show.php) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0217945A1 (de) * | 1985-04-06 | 1987-04-15 | Hölter, Heinz, Dipl.-Ing. | Verfahren zur reinigung von rauchgasen |
| EP0248855A1 (de) * | 1985-12-04 | 1987-12-16 | Hölter, Heinz, Dipl.-Ing. | VERFAHREN ZUR EIN- ODER MEHRSTUFIGEN VORZUGSWEISE SIMULTANEN SO 2?- UND NO x?-ABSCHEIDUNG AUS RAUCHGASEN IN EINEM NASSVERFAHREN |
-
1976
- 1976-01-26 JP JP665976A patent/JPS5290475A/ja active Granted
-
1977
- 1977-01-26 DE DE2703157A patent/DE2703157C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2703157A1 (de) | 1977-07-28 |
| JPS5744366B2 (show.php) | 1982-09-21 |
| JPS5290475A (en) | 1977-07-29 |
| DE2703157B2 (de) | 1980-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2619145C3 (de) | Verfahren zum Abscheiden von Stickstoffoxiden oder von Stickstoffoxiden und Schwefeloxiden aus Abgasen | |
| DE69908611T2 (de) | Verfahren zur kontrolle von ammonia-schlupf in der reduktion von schwefeldioxidemissionen | |
| DE2512883C3 (de) | Verfahren zum gleichzeitigen Entfernen von Schwefel- und Stickstoffoxiden aus Abgasen | |
| EP0168453A1 (de) | Verfahren zur abscheidung von stickstoffoxiden und schwefeloxiden sowie gegebenenfalls anderen schadstoffen aus den rauchgasen von verbrennungsanlagen | |
| DE2532175A1 (de) | Verfahren zum abscheiden von schwefeloxyden und/oder stickstoffoxyden aus abgas | |
| EP0709128A2 (de) | Verfahren zum Entfernen von Quecksilber aus einem quecksilberhaltigen Abgas | |
| DE3220403C1 (de) | Verfahren zum Entfernen von sauren Komponenten und Stickoxyden aus Abgasen | |
| DE2650755A1 (de) | Verfahren zur absorption von schwefeloxiden aus heissen gasen | |
| DE2336112A1 (de) | Verfahren zum entschwefeln von abgas | |
| DE2624358C3 (de) | Verfahren zur Naßwäsche von Abgasen | |
| DE2460010C3 (de) | Verfahren zum Entfernen von Schwefeldioxid aus einem Abgas | |
| DE69201915T2 (de) | Abgas-Entschwefelungsverfahren. | |
| DE2432903A1 (de) | Verfahren zum abscheiden von schwefeloxyden und stickstoffoxyden aus verbrennungsabgasen | |
| DE2625005C3 (de) | Verfahren zur Entfernung von Stickstoffdioxid aus Abgasen | |
| DE4415975A1 (de) | Verfahren zum Entschwefeln Schwefeldioxid enthaltender Gase | |
| DE2363793A1 (de) | Verfahren zur entfernung von schwefelhaltigen gasen aus abgasen | |
| DE2703157C3 (de) | Verfahren zum Entfernen von Stickstoffoxiden und Schwefeloxiden aus Verbrennungsabgasen | |
| DE2524115C3 (de) | Verfahren zur Naßwäsche von Abgasen | |
| EP0223904B1 (de) | Verfahren zur Reinigung von Industriegasen oder -abgasen | |
| WO1985003238A2 (en) | Process for stripping nitrogen oxides and sulphur oxides as well as optionally other noxious elements of flue gas from combustion plants | |
| DE2502079C3 (de) | Verfahren zum Entfernen von Schwefeldioxid aus Verbrennungsabgasen | |
| WO1986005709A1 (fr) | Procede pour le nettoyage des gaz brules | |
| DE2726257C2 (de) | Verfahren zur Entschwefelung von Schwefeloxide enthaltenden Abgasen | |
| DE2250934A1 (de) | Verfahren zum reinigen von cyanwasserstoff enthaltenden gasen | |
| DE2356100A1 (de) | Verbessertes verfahren zum entfernen von schwefeldioxid in form von gips aus einem verbrennungsabgas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |
|
| 8339 | Ceased/non-payment of the annual fee |